Mymotherwasaresponsibleteacherandsheretired.SoIdecidedtogiveheroneofmyoldcomputerstohelpherpassthetime.Shehadalittlebitofcomputer16soIjustsetitupforherandlether17withitonherown.Astimewe

　　Mymotherwasaresponsibleteacherandsheretired.SoIdecidedtogiveheroneofmyoldcomputerstohelpherpassthetime.Shehadalittlebitofcomputer 16soIjustsetitupforherandlether 17 withitonherown.

　　AstimewentonI18 thecomputerwashardlytouched.Shesaidshedidn’tknow19touseit.Idecidedtoteachher.Isatand20 everythingandsheseemedOKwithwhatIsaid.Unfortunatelymysistercalledmeatthatmoment21wetalkedonthephoneforanhour.ThenwhenIsawheragainshewassittinginfrontofthecomputerlookingquite 22 .Thescreensaver(屏幕保护)hadappearedandshedidn’tknowhowto 23 itoff.Shehadtried

　　24 everykeyanditdidn’twork.Itoldher“Just 25 themousealittle.”WhatImeantwasthatshejustneededtomovethemousearoundto 26 thecomputerup.Whatshedidwasto 27themouseandstartshakingitaroundinmid-airuntilthe 28 wentcompletelyblack.Icouldn’thelplaughingbecauseofherfunny 29 .ThemoreIlaughedthe30 shegot.

　　ShethoughtthatIwasa(n)31teacherandshedecidedtofigurethethingoutherself.WellatleastIhelpedherovercomeher 32 ofbreakingsomethingandencouragedherto 33 alittle.

　　AboutaweeklaterIfoundahome-made 34 cardwithamouseonthefrontmakingafunnyface 35 tomydoor.Itsaid“Thanksforthecomputerlessons.LoveMom.”

　　16. A.knowledge B.theory C.technology D.history

　　17. A.watch B.train C.play D.see

　　18. A.thought B.heard C.found D.ignored

　　19. A.why B.when C.how D.where

　　20. A.learned B.described C.explained D.discussed

　　21. A.and B.but C.because D.since

　　22. A.amusing B.relaxed C.interesting D.discouraged

　　23. A.get B.break C.cut D.turn

　　24. A.hitting B.feeling C.changing D.removing

　　25. A.hang B.shake C.rub D.push

　　26. A.clean B.wake C.bring D